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#!/bin/bash
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# SCRIPT DESCRIPTION:
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# This bash script lists all commands/executables included in a package defined in PACKAGES array below.
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###################################################
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# System packages to look for commands in:
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PACKAGES=(coreutils findutils util-linux)
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# Debian-specific command syntax for listing files belonging to a package
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# This syntax does not apply in other Linux distributions using other than dpkg solutions.
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LIST_COMMAND='dpkg -L'
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###################################################
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# Loop through each package listed in PACKAGES bash array above
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# For each package, use another loop to go through each file listed in pathes defined by file mimetype
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#
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for pkg in ${PACKAGES[*]}; do
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for file in $($LIST_COMMAND $pkg); do
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WHATBIN=$(file --mime-type $file | grep x\-sharedlib | awk -F ":" '{print $1}' | sed '/\.so/d' | awk -F '/' '{print $(NF)}')
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# whatis command gets confused with an empty input. Avoid these situations.
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if [[ ! -z $WHATBIN ]]; then
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whatis $WHATBIN | sed 's/([0-9a-zA-Z])//'
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fi
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done
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done | sort
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###################################################
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## DEPRECATED
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## All bin folders listed in PATH global variable.
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## Remove quotation marks with sed
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## Replace : with |\ for grep command
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## Add each directory path into the exdirs array
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## Start from array index 0 (dirnum) and increase the number in the loop with 'let dirnum++' command
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##
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#dirnum=0
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#for exdir in $(export -p | grep 'declare -x PATH' | awk -F '=' '{print $2}' | sed 's/"//g' | tr ':' '|\'); do
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# exdirs[$dirnum]=$exdir
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# let dirnum++
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#done
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## DEPRECATED
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## DEPRECATED
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# for cmd in $($LIST_COMMAND $pkg | grep -E "${exdirs[*]}" | awk -F '/' '{print $(NF)}'); do
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# whatis $cmd | sed 's/([0-9a-zA-Z])//'
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# done | sort
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## DEPRECATED
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